Take a look back at some of the most surprising, controversial and shocking moments in Oprah Show history.

Oprah Reveals Childhood Sexual Abuse

On November 10, 1986, while doing a show with sexual abuse victims and their molesters, Oprah revealed to her audience that she was raped by a relative when she was 9 years old.

Since this show, Oprah has become an adovcate for sexual abuse survivors and devoted hundreds of shows to the topic. These shows helped put child predators behind bars, raised parents' awareness and gave victims a voice.